Mindray Eagus TEX21 - Parameter Adjustment; Curve Display; Bulleye; Measurement;Comment

6 - 42 Operator’s Manual
6 Image Acquisition
• [A4C]: apical four chamber.
• [A2C]: apical two chamber.
• [ALAX]: apical long-axis view, also called 3-chamber view.
Parameter Adjustment
• [Thickness]: adjusts the tracing thickness, i.e., the distance between the endocardium wall and
the tracking points on the epicardium.
• [Tracking Points]: adjusts the number of points within the segment.
• [Display Effect]: turns on/off the arrow vector graphical display of the myocardial movement.
• [Display Style]: display the endocardium, the epicardium, the myocardial or all.
• [LGC]: adjust the gain along the scan line to improve the lateral resolution of the image.
Time Mark
According to the status of the current section, tap the corresponding button to check the matching
time.
• [AVO]: displays aortic valve open time.
• [AVC]: displays aortic valve closure time.
• [MVO]: displays mitral valve open time.
• [MVC]: displays mitral valve closure time.
Curve Display
Select [Parameter], the system provides different curves of different segments for observation.
• General
– Speed curve: The X-axis represents time (s); the Y-axis represents velocity (cm/s).
– Displacement curve: The X-axis represents time (s); the Y-axis represents displacement
(cm).
• Long axis section
– Volume: The X-axis represents time(s); the Y-axis represents volume (ml).
– Strain curve (Longitudinal, Transversal): the X-axis represents time (s); the Y-axis
represents strain deformation of the tissue (%).
– Strain-rate curve (Longitudinal, Transversal): the X-axis represents time (s); the Y-axis
represents strain by time (s
-1
).
6.21.6 Bulleye
After tracking, the system can display Bull’s Eye graph, so as to judge reverse movement or scope
of myocardium.
1. Tap [Bull’s Eye] to turn on the function:
You can acquire:
– Time to peak value and peak value of the 17 segments;
– Display measurement result EDV/ESV/EF.
2. Use [Param.] to see different parameter bull’s eye graph.
6.21.7 Measurement/Comment
Under Smart tissue tracking QA mode, only Time measurement is available. For details, please
refer to Operator’s Manual Advanced Volume.